
Hilary Duff shows off a little sexy shimmer during a New York concert.
Wear a glitzy bandeau bra under a plunging neckline for a peek-a-boo effect - it lets you look sassy but feel safe and secure!
Lamé Ruched Front Tube Bra, £10, sizes s-l, www.americanapparel.co.uk
(There are matching Lamé Hot Shorts if you're feeling really naughty.)